/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package cl.ventas.control;

import cl.ventas.modelo.Producto;
import cl.ventas.modelo.dao.ProductoControl;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.LinkedList;
import java.util.List;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author RITTER
 */
public class validaProducto extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        try (PrintWriter out = response.getWriter()) {
            /* TODO output your page here. You may use following sample code. */
            out.println("<!DOCTYPE html>");
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet validaProducto</title>");            
            out.println("</head>");
            out.println("<body>");
            out.println("<h1>Servlet validaProducto at " + request.getContextPath() + "</h1>");
            out.println("</body>");
            out.println("</html>");
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        List errorp = new LinkedList();
       
        try{
        String name = request.getParameter("nombre");
        String precio = request.getParameter("precio");
        String stock = request.getParameter("stock");
        int price=0;
        double stoke=0;
        if (name==null||name.trim().length()==0){
        errorp.add("Ingrese nombre del producto.");
        }
        
        if (stock ==null||stock.trim().length()==0){
        errorp.add("Ingrese cantidad.");
        }else {
        try {
        stoke = Double.parseDouble(stock);
        if (stoke<0){
        errorp.add("La cantidad debe ser positiva.");
        }
        
        }
        
        catch(NumberFormatException e){
         errorp.add("La cantidad debe ser un");
         errorp.add("valor entero o decimal.");
        }}
        
        if (precio==null||precio.trim().length()==0){
         errorp.add("Ingrese precio.");
        }
        else {
        try{
        price = Integer.parseInt(precio);
        if (price<0){errorp.add("El precio debe ser positivo.");}
        }
        catch (NumberFormatException e){
         errorp.add("El precio debe ser un");
         errorp.add("número entero.");
        }
        
        
        
        }
        int code =Integer.parseInt(request.getParameter("codigo"));
        
        
        if ( ! errorp.isEmpty() ) {

        request.setAttribute("errorp", errorp);
        RequestDispatcher view = request.getRequestDispatcher("vistaAdm/formularioProducto.jsp");
        view.forward(request, response);

        }
        else {
        Producto producto = new Producto(code,name,price,stoke);
        ProductoControl pc = new ProductoControl();
        pc.save(producto);
        
        response.sendRedirect("vistaAdm/listado.jsp");
        }
        }
        catch (RuntimeException e){
        errorp.add("Error");
        request.setAttribute("errorMsgs", errorp);
        RequestDispatcher view = request.getRequestDispatcher("/error.jsp");
        view.forward(request, response);
        }
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
